제출 #1192021

#제출 시각아이디문제언어결과실행 시간메모리
1192021Aviansh가로등 (APIO19_street_lamps)C++20
20 / 100
5093 ms589824 KiB
#include <bits/stdc++.h>

using namespace std;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,q;
    cin >> n >> q;
    string s;
    cin >> s;
    int tim[n][n];
    for(int i = 0;i<n;i++){
        fill(tim[i],tim[i]+n,0);
    }
    while(q--){
        for(int i = 0;i<n;i++){
            bool a = 1;
            for(int j = i;j<n;j++){
                if(a&&s[j]=='1'){
                    tim[i][j]++;
                }
                if(s[j]=='0')
                    a=0;
            }
        }
        string quer;
        cin >> quer;
        if(quer[0]=='q'){
            int a,b;
            cin >> a >> b;
            a--;b-=2;
            cout << tim[a][b] << "\n";
        }
        else{
            int i;
            cin >> i;
            i--;
            if(s[i]=='1'){
                s[i]='0';
            }
            else{
                s[i]='1';
            }
        }
    }
    return 0;
}
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